CN112537272A

CN112537272A - Automobile windscreen wiper

Info

Publication number: CN112537272A
Application number: CN202011507603.2A
Authority: CN
Inventors: 罗国喜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-03-23

Abstract

The invention relates to the technical field of automobile accessories, in particular to an automobile windscreen wiper, which comprises a carrier plate, wherein a driving motor is arranged on one side surface of the carrier plate, the output end of the driving motor penetrates through the carrier plate and is fixedly connected with a driving disc, one end of a rack rail, which is far away from the driving disc, is engaged with a gear rotationally connected with the carrier plate, a supporting disc is fixed on the outer surface of one end of a wiper arm, which is close to the gear, one surface of the supporting disc, which faces the gear, is annularly and equidistantly provided with cylinders, the number of tooth grooves of the gear is the same as that of the cylinders, a reset spring and a movable rod are arranged in each cylinder, one end of the movable rod, which is far away from the reset spring, extends to the outer side of each cylinder and is fixedly connected with a push block matched with the tooth grooves of the gear: the online cleaning of dust in gear tooth grooves is realized, and the dust is prevented from accumulating in the gear tooth grooves.

Description

Automobile windscreen wiper

Technical Field

The invention relates to an automobile windscreen wiper, and belongs to the technical field of automobile parts.

Background

The automobile windscreen wiper is also called a wiper, a water wiper, a windshield wiper or a windshield wiper, and is used for wiping and removing raindrops and dust attached to the windshield of the automobile so as to improve the visibility of a driver and increase the driving safety.

The transmission mode that the tooth rail bar is meshed with the gear is a common driving structure in the automobile windscreen wiper, but dust is easily accumulated in a tooth groove of the gear in the long-term use process, and the tooth rail bar and the gear are incompletely meshed along with the accumulation of the dust, so that the normal work of the windscreen wiper is influenced, and parts in the windscreen wiper are easily damaged due to uneven stress, and the service life of the windscreen wiper is influenced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an automobile windscreen wiper to solve the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: a windscreen wiper for an automobile comprises a carrier plate, wherein a driving motor is installed on one side surface of the carrier plate, the output end of the driving motor penetrates through the carrier plate and is fixedly connected with a driving disc, a tooth rail bar is rotatably connected to the edge of one surface, away from the carrier plate, of the driving disc, a gear which is rotatably connected with the carrier plate is meshed with one end, away from the driving disc, of the tooth rail bar, a wiper arm which is used for connecting a wiper is fixedly connected to the middle position of one surface, away from the carrier plate, of the gear, a pressing component which is used for pressing the tooth rail bar is arranged on one side, away from the gear, of the tooth rail bar, a supporting disc is fixed to the outer surface of one end, close to the gear, of the wiper arm, a cylinder body with the same number as the tooth grooves of the gear is installed on one surface, facing the gear, slider slidable mounting is in the guide way, reset spring's one end is kept away from to the movable rod extends to the barrel outside and fixedly connected with and gear tooth's socket matched with ejector pad, movable magnet is installed to the one side that the ejector pad deviates from the gear center, the support plate is installed towards gear and the engaged position department of rack bar mutually and is had the fixed magnet who repels with movable magnet.

Specifically, the barrel is close to the one end outer fixed surface of supporting disk and is connected with the circle limit, the circle limit passes through screw and supporting disk fixed connection, one side that is close to the supporting disk in the barrel is processed there is the internal thread, the threaded connection of barrel processing internal thread position department has the screw thread pressure head, hexagonal hole in the hexagon hole has been seted up to the one side middle part position that the screw thread pressure head deviates from reset spring.

Specifically, the one side that the screw thread pressure head deviates from interior hexagonal hole is fixed with the barrel ring, the blind hole has been seted up towards reset spring's one end to the movable rod, reset spring's both ends are in barrel ring and blind hole respectively.

Specifically, one side of the movable magnet, which is far away from the gear, is fixedly connected with a support plate, and one end of the support plate is fixedly connected with the push block.

Specifically, a rectangular opening is formed in the position of the magnet fixed to the carrier plate, a rectangular cover is arranged on one side, away from the gear, of the rectangular opening, the fixed magnet is fixed in the rectangular cover, a rectangular frame is fixedly connected to the outer surface of the rectangular cover, and the rectangular frame is fixedly connected with the carrier plate through screws.

Specifically, the gear is kept away from to the rack rail one end fixedly connected with barrel casing, the round pin post has been inserted to the ann in the barrel casing, round pin post one end and driving-disc fixed connection, the barrel casing is equipped with the spacing ring towards one side of driving-disc, the spacing ring cover is established on the round pin post and with round pin post fixed connection, one side that the barrel casing deviates from the spacing ring is equipped with spacing dish, spacing dish and round pin post fixed connection.

Specifically, the pressing and holding assembly comprises a rectangular pipe sleeve, a plurality of connecting rods are uniformly fixed on one surface, facing the carrier plate, of the rectangular pipe sleeve, one ends, far away from the rectangular pipe sleeve, of the connecting rods are fixedly connected with the carrier plate, a compression spring and a square rod are arranged in the rectangular pipe sleeve, one end, far away from the compression spring, of the square rod extends to the outer side of the rectangular pipe sleeve and is fixedly connected with a U-shaped frame, and a pressing wheel in rolling contact with the toothed rail strip is rotationally connected in the U-shaped frame.

Specifically, support plate installation driving motor's a side edge is fixed with even board, even the mounting hole that a plurality of is used for alternate the screw has evenly been seted up towards driving motor's one side to even board.

Specifically, the one end fixedly connected with disk body of gear is kept away from to the wiper arm, the round hole that a plurality of is used for interlude bolt is evenly seted up to the one side that the disk body deviates from the wiper arm.

The invention has the beneficial effects that:

1. the invention relates to an automobile windscreen wiper, which utilizes a driving motor to drive a driving disc to drive a rack bar to do reciprocating motion when the driving disc is driven to rotate by the driving motor, further the rack bar drives a gear to switch between positive rotation and negative rotation, the supporting disc is driven to rotate by a wiper arm during the rotation of the gear, further the supporting disc drives a push block to rotate together, when the push block rotates to the position where the rack bar is meshed with the gear, a movable magnet is superposed with a fixed magnet, further the push block is separated from a tooth socket on the gear under the repulsion action of the movable magnet and the fixed magnet, at the moment, a return spring is in a compressed state, when the push block rotates to the position away from the position where the rack bar is meshed with the gear, the movable magnet is staggered with the fixed magnet, further under the action of the resilience force of the return spring, the return spring drives the push block to be inserted into the tooth socket on the gear through a movable rod, the online cleaning of dust in gear tooth grooves is realized, and the dust is prevented from accumulating in the gear tooth grooves.

2. According to the automobile windscreen wiper, the sliding block on the movable rod is inserted into the guide groove in the cylinder, and then when the movable rod slides along the cylinder, the movable rod drives the sliding block to slide along the guide groove, so that the positioning and guiding effects are realized, the movable rod and the cylinder are prevented from rotating relatively, and the push block is prevented from being staggered with the corresponding gear tooth grooves.

3. According to the automobile windscreen wiper, after the inner hexagonal wrench is inserted into the inner hexagonal hole, the position of the threaded pressure head in the barrel is adjusted by the inner hexagonal wrench, so that the distance between the movable rod and the threaded pressure head can be conveniently adjusted, the compressed deformation quantity of the reset spring can be conveniently adjusted, and the resilience force of the reset spring can be adjusted.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a wiper blade of an automobile according to the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

FIG. 4 is an enlarged view of FIG. 1 at C;

FIG. 5 is an assembly view of a movable rod, a return spring and a cylinder of an automobile wiper blade according to the present invention;

FIG. 6 is a schematic view of an assembly of a fixed magnet and a carrier plate in an automotive wiper blade according to the present invention;

FIG. 7 is a schematic view of a pressing assembly of a wiper blade of an automobile according to the present invention;

in the figure: 1. the device comprises a carrier plate, 2, a connecting plate, 3, a mounting hole, 4, a driving motor, 5, a driving disk, 6, a tooth rail bar, 7, a rectangular pipe sleeve, 8, a square rod, 9, a gear, 10, a wiper arm, 11, a disc body, 12, a supporting disc, 13, a fixed magnet, 14, a pressing wheel, 15, a U-shaped frame, 16, a cylinder body, 17, a movable rod, 18, a pushing block, 19, a movable magnet, 20, a supporting plate, 21, a cylinder sleeve, 22, a limiting ring, 23, a pin column, 24, a limiting disc, 25, a connecting rod, 26, a sliding block, 27, a guide groove, 28, a cylinder ring, 29, a ring edge, 30, an inner hexagonal hole, 31, a threaded press head, 32, a return spring, 33, a blind hole, 34, a rectangular opening, 35, a rectangular cover, 36, a rectangular frame, 37 and a compression.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides an automobile windscreen wiper, including support plate 1, driving motor 4 is installed to 1 side of support plate, driving motor 4 output runs through support plate 1 and fixedly connected with driving-disc 5, driving-disc 5 deviates from one side edge of support plate 1 and rotates and is connected with tooth rail strip 6, the one end meshing that driving-disc 5 was kept away from to tooth rail strip 6 has the gear 9 of being connected with support plate 1 rotation, gear 9 deviates from one side middle part position fixedly connected with of support plate 1 and is used for connecting the wiper arm 10 of windshield wiper, when utilizing driving motor 4 to drive driving-disc 5 to rotate, driving-disc 5 drives tooth rail strip 6 and is reciprocating motion, and then tooth rail strip 6 drives gear 9 and switches between corotation and reversal, gear 9 rotates in-process and drives wiper arm 10.

One side of the tooth rail bar 6 departing from the gear 9 is provided with a pressing component for pressing the tooth rail bar 6, the pressing component is arranged on the upper side of the tooth rail bar 6, the tooth rail bar 6 is convenient to be meshed with the gear 9, and the tooth rail bar 6 is prevented from being separated from the gear 9.

The outer surface of one end of the wiper arm 10 close to the gear 9 is fixedly provided with a supporting disc 12, one surface of the supporting disc 12 facing the gear 9 is provided with a plurality of cylinder bodies 16 with the same number as the tooth grooves of the gear 9 in an annular and equidistant manner, and the supporting disc 12 provides an installation carrier for the cylinder bodies 16.

The return spring 32 and the movable rod 17 are arranged in the cylinder 16, the sliding block 26 is fixed on the outer surface of one end, located in the cylinder 16, of the movable rod 17, the guide groove 27 matched with the sliding block 26 is formed in the inner surface of the cylinder 16, the sliding block 26 is slidably installed in the guide groove 27, the sliding block 26 on the movable rod 17 is inserted into the guide groove 27 in the cylinder 16, and further when the movable rod 17 slides along the cylinder 16, the movable rod 17 drives the sliding block 26 to slide along the guide groove 27, the positioning and guiding effects are achieved, the movable rod 17 and the cylinder 16 are prevented from rotating relatively, and the pushing block 18 is prevented from being staggered with the corresponding tooth grooves of the gear 9.

One end of the movable rod 17, which is far away from the return spring 32, extends to the outer side of the cylinder 16 and is fixedly connected with a push block 18 matched with a tooth socket of the gear 9, one side of the push block 18, which is far away from the center of the gear 9, is provided with a movable magnet 19, a fixed magnet 13, which is repelled by the movable magnet 19, is arranged at a position, facing the gear 9 and meshed with the rack rail 6, of the carrier plate 1, the support plate 12 is driven to rotate by the wiper arm 10 in the rotation process of the gear 9, the support plate 12 drives the push block 18 to rotate together, when the push block 18 rotates to the position, meshed with the rack rail 6 and the gear 9, the movable magnet 19 is coincided with the fixed magnet 13, then under the action of the repulsion of the movable magnet 19 and the fixed magnet 13, the push block 18 is separated from the tooth socket on the gear 9, at the moment, the return spring 32 is in a compressed state, when the push block 18 rotates, and then under the action of the resilience force of the return spring 32, the return spring 32 drives the push block 18 to be inserted into the tooth groove on the gear 9 through the movable rod 17, so that the push block 18 pushes out dust in the tooth groove of the gear 9, the dust in the tooth groove of the gear 9 is cleaned on line, and the dust is prevented from accumulating in the tooth groove of the gear 9.

As an embodiment of the present invention: the outer surface of one end of the cylinder 16 close to the support plate 12 is fixedly connected with a ring edge 29, the ring edge 29 is fixedly connected with the support plate 12 through a screw, and the ring edge 29 is fixed on the support plate 12 through the screw, so that the cylinder 16 and the support plate 12 can be conveniently disassembled and assembled.

One side processing that is close to supporting disk 12 in the barrel 16 has the internal thread, barrel 16 processing internal thread position department threaded connection has screw thread pressure head 31, hexagonal hole 30 in having seted up is located in the middle part of the one side that screw thread pressure head 31 deviates from reset spring 32, after interior hexagonal spanner is inserted in hexagonal hole 30, utilize interior hexagonal spanner adjustment screw thread pressure head 31 position in barrel 16, realize the interval between convenient adjustment movable rod 17 and the screw thread pressure head 31, be convenient for adjust the deformation volume of reset spring 32 compressed, adjust the size of reset spring 32's resilience promptly.

As an embodiment of the present invention: the one side that screw thread pressure head 31 deviates from interior hexagonal hole 30 is fixed with barrel ring 28, and blind hole 33 has been seted up towards reset spring 32's one end to movable rod 17, and reset spring 32's both ends are in barrel ring 28 and blind hole 33 respectively, set up reset spring 32's both ends respectively in barrel ring 28 and blind hole 33, realize the restriction to reset spring 32 tip position, improve the stability of reset spring 32 installation.

As an embodiment of the present invention: a support plate 20 is fixedly connected to one surface of the movable magnet 19, which is far away from the gear 9, one end of the support plate 20 is fixedly connected with the push block 18, the support plate 20 is installed on the push block 18 to provide a support carrier for the movable magnet 19, and the reliability of connection between the movable magnet 19 and the push block 18 is improved.

As an embodiment of the present invention: rectangular opening 34 has been seted up to position department of carrier plate 1 installation fixed magnet 13, one side that rectangular opening 34 deviates from gear 9 is equipped with rectangle cover 35, fixed magnet 13 is fixed in rectangle cover 35, rectangle cover 35 surface fixed connection has rectangle frame 36, rectangle frame 36 passes through screw and carrier plate 1 fixed connection, rectangle opening 34 provides installation space for fixed magnet 13, rectangle cover 35 provides the installation carrier for fixed magnet 13, utilize screwed connection rectangle frame 36 and carrier plate 1, be convenient for rectangle cover 35 and carrier plate 1's dismouting, even if be convenient for fixed magnet 13's dismouting.

As an embodiment of the present invention: one end fixedly connected with barrel casing 21 that gear 9 was kept away from to rack bar 6, the round pin post 23 has been inserted in barrel casing 21, round pin post 23 one end and driving-disc 5 fixed connection, barrel casing 21 is equipped with spacing ring 22 towards one side of driving-disc 5, spacing ring 22 cover is established on round pin post 23 and with round pin post 23 fixed connection, one side that barrel casing 21 deviates from spacing ring 22 is equipped with spacing dish 24, spacing dish 24 and round pin post 23 fixed connection, spacing dish 24 plays jointly with spacing ring 22 and restricts barrel casing 21 on round pin post 23, insert round pin post 23 in barrel casing 21, realize rack bar 6 and driving-disc 5's rotation and be connected.

As an embodiment of the present invention: the pressing component comprises a rectangular pipe sleeve 7, a plurality of connecting rods 25 are uniformly fixed on one surface of the rectangular pipe sleeve 7 facing the carrier plate 1, one end of each connecting rod 25 far away from the rectangular pipe sleeve 7 is fixedly connected with the carrier plate 1, and each connecting rod 25 plays a role in connecting the rectangular pipe sleeve 7 with the carrier plate 1.

Be equipped with compression spring 37 and square pole 8 in the rectangular pipe box 7, square pole 8 is kept away from the one end of compression spring 37 and is extended to the rectangular pipe box 7 outside and fixedly connected with U type frame 15, U type frame 15 internal rotation is connected with the pinch roller 14 with rack 6 rolling contact, when pinch roller 14 is pressed and is held on rack 6, compression spring 37 is in compression state, and then under the effect of compression spring 37 resilience force, square pole 8 forces the pinch roller 14 in U type frame 15 to press and hold rack 6.

As an embodiment of the present invention: one side edge that support plate 1 installed driving motor 4 is fixed with even board 2, even board 2 evenly offers a plurality of mounting hole 3 that is used for alternate the screw towards driving motor 4's one side, and the screw that will fix even board 2 passes mounting hole 3 and installs in required position department, accomplishes the fixed of even board 2 position, and the position of support plate 1 is fixed promptly.

As an embodiment of the present invention: one end fixedly connected with disk body 11 that gear 9 was kept away from to wiper arm 10, the round hole that a plurality of was used for alternate the bolt is evenly seted up to the one side that disk body 11 deviates from wiper arm 10, installs the disk body 11 of taking the round hole on wiper arm 10, the dismouting of the wiper of being convenient for and rain arm.

The specific implementation mode is as follows: when the driving motor 4 is utilized to drive the driving disc 5 to rotate, the driving disc 5 drives the rack bar 6 to do reciprocating motion, and then the rack bar 6 drives the gear 9 to switch between positive rotation and negative rotation, the supporting disc 12 is driven to rotate by the wiper arm 10 in the rotation process of the gear 9, and then the supporting disc 12 drives the push block 18 to rotate together, when the push block 18 rotates to the position where the rack bar 6 is meshed with the gear 9, the movable magnet 19 is superposed with the fixed magnet 13, and then under the repulsive action of the movable magnet 19 and the fixed magnet 13, the push block 18 is separated from the tooth socket on the gear 9, at the moment, the return spring 32 is in a compression state, when the push block 18 rotates to the position away from the position where the rack bar 6 is meshed with the gear 9, the movable magnet 19 is staggered with the fixed magnet 13, and then under the resilience force of the return spring 32, the return spring 32 drives the push block 18 to be inserted into the tooth socket on, and the pushing block 18 pushes out the dust in the tooth grooves of the gear 9, so that the dust in the tooth grooves of the gear 9 can be cleaned on line, and the dust can be prevented from accumulating in the tooth grooves of the gear 9.

The sliding block 26 on the movable rod 17 is inserted into the guide groove 27 in the cylinder 16, and further when the movable rod 17 slides along the cylinder 16, the movable rod 17 drives the sliding block 26 to slide along the guide groove 27, so that the positioning and guiding effects are realized, the movable rod 17 and the cylinder 16 are prevented from rotating relatively, and the push block 18 is prevented from being staggered with the tooth grooves of the corresponding gear 9.

After the hexagon socket head cap spanner is inserted into the hexagon socket head cap hole 30, the position of the screw thread pressure head 31 in the barrel 16 is adjusted by the hexagon socket head cap spanner, so that the distance between the movable rod 17 and the screw thread pressure head 31 can be conveniently adjusted, the deformation amount of the return spring 32 which is compressed can be conveniently adjusted, and the resilience of the return spring 32 can be adjusted.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an automobile windscreen wiper, includes support plate (1), its characterized in that: the wiper is characterized in that a driving motor (4) is installed on one side surface of the carrier plate (1), the output end of the driving motor (4) penetrates through the carrier plate (1) and is fixedly connected with a driving plate (5), one edge of one surface, deviating from the carrier plate (1), of the driving plate (5) is rotatably connected with a tooth rail bar (6), one end, far away from the driving plate (5), of the tooth rail bar (6) is meshed with a gear (9) rotatably connected with the carrier plate (1), a windshield wiper arm (10) used for connecting a windshield wiper is fixedly connected to the middle position of one surface, deviating from the carrier plate (1), of the gear rail bar (6), one side, deviating from the gear (9), is provided with a pressing component used for pressing the tooth rail bar (6), the outer surface of one end, close to the gear (9), of the windshield wiper arm (10) is fixedly provided with a supporting plate (12), one surface, facing the gear (9), of the, be equipped with reset spring (32) and movable rod (17) in barrel (16), one end external fixation that movable rod (17) is in barrel (16) has slider (26), barrel (16) internal surface seted up with slider (26) matched with guide way (27), slider (26) slidable mounting is in guide way (27), reset spring (32) was kept away from in movable rod (17) one end extends to barrel (16) outside and fixedly connected with and gear (9) tooth's socket matched with ejector pad (18), movable magnet (19) are installed to the one side that ejector pad (18) deviate from gear (9) center, fixed magnet (13) that repel each other with movable magnet (19) are installed towards gear (9) and rack bar (6) engaged with position department to support plate (1).

2. The wiper blade of claim 1, wherein: the utility model discloses a quick-witted support disc, including barrel (16), supporting disk (12), circle limit (29) are connected with to the one end surface fixed connection who is close to supporting disk (16), circle limit (29) are through screw and supporting disk (12) fixed connection, one side processing that is close to supporting disk (12) in barrel (16) has the internal thread, barrel (16) processing internal thread position department threaded connection has screw thread pressure head (31), hexagonal hole (30) in having seted up in the one side middle part position that screw thread pressure head (31) deviate from reset spring (32).

3. The wiper blade of claim 2, wherein: one side that screw thread pressure head (31) deviates from interior hexagonal hole (30) is fixed with barrel ring (28), blind hole (33) have been seted up towards the one end of reset spring (32) in movable rod (17), the both ends of reset spring (32) are in barrel ring (28) and blind hole (33) respectively.

4. The wiper blade of claim 1, wherein: one surface of the movable magnet (19) departing from the gear (9) is fixedly connected with a support plate (20), and one end of the support plate (20) is fixedly connected with the push block (18).

5. The wiper blade of claim 1, wherein: rectangle mouth (34) have been seted up to the position department of support plate (1) installation fixed magnet (13), one side that rectangle mouth (34) deviate from gear (9) is equipped with rectangle cover (35), fixed magnet (13) are fixed in rectangle cover (35), rectangle cover (35) surface fixed connection has rectangle frame (36), rectangle frame (36) pass through screw and support plate (1) fixed connection.

6. The wiper blade of claim 1, wherein: one end fixedly connected with barrel casing (21) of gear (9) is kept away from in tooth rail bar (6), round pin post (23) have been inserted in barrel casing (21), round pin post (23) one end and driving-disc (5) fixed connection, barrel casing (21) are equipped with spacing ring (22) towards one side of driving-disc (5), spacing ring (22) cover is established on round pin post (23) and with round pin post (23) fixed connection, one side that barrel casing (21) deviates from spacing ring (22) is equipped with spacing dish (24), spacing dish (24) and round pin post (23) fixed connection.

7. The wiper blade of claim 1, wherein: the pressing and holding assembly comprises a rectangular pipe sleeve (7), a plurality of connecting rods (25) are uniformly fixed on one surface of the rectangular pipe sleeve (7) facing the carrier plate (1), one end, far away from the rectangular pipe sleeve (7), of each connecting rod (25) is fixedly connected with the carrier plate (1), a compression spring (37) and a square rod (8) are arranged in the rectangular pipe sleeve (7), one end, far away from the compression spring (37), of the square rod (8) extends to the outer side of the rectangular pipe sleeve (7) and is fixedly connected with a U-shaped frame (15), and a pressing wheel (14) in rolling contact with the toothed rail bar (6) is rotatably connected to the U-shaped frame (15).

8. The wiper blade of claim 1, wherein: one side edge that driving motor (4) were installed in support plate (1) is fixed with even board (2), even a plurality of mounting hole (3) that are used for alternate screw are seted up towards the one side of driving motor (4) to even board (2).

9. The wiper blade of claim 1, wherein: one end fixedly connected with disk body (11) of gear (9) is kept away from in wiper arm (10), a plurality of round hole that is used for alternate bolt is evenly seted up to the one side that disk body (11) deviates from wiper arm (10).